HTP Invertig 200, Owner'S Manual

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14. AC Balance Knob
The AC Balance Knob lets you adjust the "balance" of the
positive part of the AC wave with respect to the negative part of
the AC wave. When the AC balance is set to 50%, the positive
part of the AC wave and the negative part of the AC wave are
equal. Your Invertig 200 allows you to adjust the AC balance
from 10% to 90%, a substantially greater range than is possible
with conventional transformer units (40% to 60%)
Setting the AC balance to a higher percentage (51 to 90 %)
increases the electrode negative portion of the wave (torch or
tungsten is negative, work piece is positive – the electrons flow
from the torch to the workpiece). This increases penetration,
lengthens the tungsten life, but reduces the cleaning portion of
the wave.
Setting the AC balance to a lower percentage (49 to 10%)
increases the electrode positive portion of the wave (torch or
tungsten is positive, work piece is negative – the electrons flow
from the workpiece to the torch). This increases the amount of
heat that builds up in the torch and shortens tungsten life,
decreases penetration, but increases the cleaning portion of
the wave.
Front Panel Connections
1. Gas Output Connection – this is where you connect the gas
fitting from the TIG Torch. The gas output is controlled by the
solenoid valve, which is mounted inside the welder.
2. Negative Output Receptacle – When TIG welding, this is
where the TIG Torch connects to your Invertig 200 Welder.
That’s right, we said the TIG Torch. This is called straight
polarity, with the torch negative and the work positive. When
using your Invertig Welder to TIG weld, all work will be done
in straight polarity.
When Stick Welding Direct Current Electrode Negative
(DCEN), the optional electrode holder will be plugged into the
negative output receptacle. When Stick Welding Direct Current
Electrode Positive (DCEP), the ground cable will be plugged
into the negative output receptacle
To install a cable into the negative output receptacle, insert the
male end of the cable into the negative output receptacle and
twist clockwise until snug.
3. 3 Pin Trigger connection – this connection is used with TIG
torches, which have on/off triggers on the torch. Your Invertig
200 comes standard with a footpedal which has the on/off
function built into the pedal, so an on/off trigger on the TIG
torch is not necessary. Therefore, this connection is not used.
4. Positive Output Receptacl e – When TIG welding, this is
where the ground cable connects to the front of the TIG
Adapter. That’s right, we said the ground cable. This is called
straight polarity, with the torch negative and the work positive.
When Stick Welding Direct Current Electrode Negative
(DCEN), the ground cable will be plugged into the positive
output receptacle. When Stick Welding Direct Current
Electrode Positive (DCEP), the electrode holder will be plugged
into the positive output receptacle.
To install a cable into the positive output receptacle, insert the
male end of the cable into the positive output receptacle and
twist clockwise until snug.
5. 5 pin Footpedal Connection – this is where the footpedal
connects to the Invertig 200. Insert the connection into the
machine and twist the lock ring to lock into place.
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